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OmnidirectionalCardioidTelefunken Elektroakustik Ela M 250 E

Multi-Pattern Tube Condenser Microphone

The Telefunken Elektroakustik Ela M 250 E is a two-pattern tube condenser microphone, intended as a historically accurate reproduction of the AKG-built vintage mic of the same name.

The 250E is one of many similar microphones from the ElaM 250/251 family. It differs from the more-expensive 251E in exactly one respect: the 250E provides Cardioid and Omni patterns, whereas the 251E also provides Figure-of-8. (See the reference table below to distinguish the other mics from this series.) Pattern switching is effected by a control built into the microphone body, below the headbasket.

Telefunken USA Ela M 251E CircuitThe 250E and 251E use Telefunken Elektroakustik’s reproduction of the AKG CK-12 capsule, a dual-backplate, dual-diaphragm, edge-terminated design with 25mm Mylar diaphragms. (See the ElaM 251E profile for further discussion.) Note that the photo at right shows the 251E’s 3-way pattern switch; the circuit and capsule match the 250E.

The 250E uses the same Haufe 14:1 transformer, and the same JAN-spec GE 6072a tube as the 251E.

Telefunken Elektroakustik manufactures numerous variations of the ElaM 250/251 microphone, including European and “Export” versions:

ModelCapsuleTubePatternsPSUMSRP (2010)
Ela M 250CK-12AC-701Cardioid, OmniHistorical$13,495
Ela M 251CK-12AC-701Cardioid, Omni, Figure-8Historical$13,995
Ela M 250 ECK-126072aCardioid, OmniHistorical$10,495
Ela M 251 ECK-126072aCardioid, Omni, Figure-8Historical$10,995
Ela M 250 FTK-126072aCardioid, OmniModernn/a
Ela M 251 FTK-126072aCardioid, Omni, Figure-8Modern($5,995)
Ela M 251 TCK-136072aCardioid, Omni, Figure-8Historicaln/a

(MSRP current as of Nov, 2010)

Telefunken Elektroakustik ElaM 250E KitThe ElaM 250E ships with a wooden storage case for the mic, a historically-accurate power supply and cable, and a locking suitcase.

From September 2010 through the end of 2011, Telefunken is offering a commemorative 50-year anniversary edition of the ElaM 250E (as well as other ElaM models). The 250E anniversary edition includes 50th Anniversary logo stitching on the leather case, and a spare 6072a tube.

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Pickup Patterns Pads & Filters
Omnidirectional (12 mV/Pa; 20 - 20,000 Hz)
Cardioid (12 mV/Pa; 20 - 20,000 Hz)
Capsule Dimensions Impedance SPL/Noise
Diaphragm diameter: 25mm
Capsule diameter: 32mm
Diaphragm gauge: 6 microns
200 Ohms (Low) Max SPL: 138 dB
Self-noise: 16.0 dB(A)
Weight Length Max Diameter Interface(s)
567g (20.00oz) 216mm (8.50'') 51mm (2.01'')
  • 3-pin XLR male (1)
Power Specifications
  • Includes tube power supply

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